Treating the Schrödinger type equation (REF ) by functional methods [1]},[2]}
\(\left.Y(x,\nu )=\exp \left[-i\int _0^\nu \frac{\delta ^2}{\delta t^\mu (\xi )\delta t_\mu (\xi )}d\xi \right] Y_1(x,\nu ,t)\right|_{t=0}\) 
